28bed707c55dad7fc34ed7588942077afddee1cfa814c9e7eb3c84cc6bcee3a0

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 10:25

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General

Target

17071037258c34b64a21e50c53053ef9.pdf
Size

13KB
MD5

17071037258c34b64a21e50c53053ef9
SHA1

30df8f160ede0732fbf3df56c1fb1e3e825e5e35
SHA256

28bed707c55dad7fc34ed7588942077afddee1cfa814c9e7eb3c84cc6bcee3a0
SHA512

659e7e6f4071b8da79d1f32577b0217b945c1c26056b3d42fdb7d52c7b3b8497ee7f14e8a207429ff7eac462f197aa57b84ad733c056c37a6c01d3e1c756d7e6
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/HQi/60G7J8vKIs:ahZGirHAhmbZ9fQC6dJiKH

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 388	4652	AcroRd32.exe	96
PID 4652 wrote to memory of 388	4652	AcroRd32.exe	96
PID 4652 wrote to memory of 388	4652	AcroRd32.exe	96
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2228	388	RdrCEF.exe	98
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97
PID 388 wrote to memory of 2916	388	RdrCEF.exe	97

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\17071037258c34b64a21e50c53053ef9.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=92DB7BFDE0CCE1D4F38C4FDE3FB963EA --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=92DB7BFDE0CCE1D4F38C4FDE3FB963EA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A23DB92658089C389769A0ACA4580727 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2228
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3064121069EE7CC52EBA1A80B2462FF6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=FEB684238DFCCB46FB1EFA508E9DB01A --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2852
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=7F84273A1860887A3ABB69C921B2DE23 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=7F84273A1860887A3ABB69C921B2DE23 --renderer-client-id=5 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BC2573EE157B6698AA7998F70B0E2710 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
f97752389d79784c6cd67639bda34b2e

SHA1
b3f83dd093859e87e360fc412ff8f81b71f41207

SHA256
b6da1ab259705e4c403bb4119073a3d3af5cbef727a94a767056e993a12a058f

SHA512
846a3c64554ce02894b9cd6dd8406432ae30f764749cb19b906750879e64753fd4c73b716c3864a7a42b73d387a642315984702ade2d0108c3292da9fae6930f

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit